#!/bin/sh
# 45-cloud-init.sh — Apply cloud-init configuration
#
# Runs the kubesolo-cloudinit binary to parse cloud-init.yaml and apply:
#   - hostname (/etc/hostname, /etc/hosts)
#   - network (static IP or DHCP)
#   - KubeSolo settings (/etc/kubesolo/extra-flags, config.yaml)
#   - persistent configs saved to data partition
#
# If no cloud-init file is found, this stage is a no-op and later stages
# (50-network, 60-hostname) handle defaults.

CLOUDINIT_BIN="/usr/lib/kubesolo-os/kubesolo-cloudinit"
CLOUDINIT_FILE="${KUBESOLO_CLOUDINIT:-$DATA_MOUNT/etc-kubesolo/cloud-init.yaml}"

if [ ! -x "$CLOUDINIT_BIN" ]; then
    log_warn "cloud-init binary not found at $CLOUDINIT_BIN — skipping"
    return 0
fi

if [ ! -f "$CLOUDINIT_FILE" ]; then
    log "No cloud-init config found at $CLOUDINIT_FILE — skipping"
    return 0
fi

log "Applying cloud-init from: $CLOUDINIT_FILE"

if "$CLOUDINIT_BIN" apply "$CLOUDINIT_FILE"; then
    log_ok "cloud-init applied successfully"
    # Signal to later stages that cloud-init handled network/hostname
    CLOUDINIT_APPLIED=1
    export CLOUDINIT_APPLIED
else
    log_err "cloud-init apply failed — later stages will use defaults"
fi